'use strict'
// const path = require('path')
// const defaultSettings = require('./src/settings.js')

// function resolve(dir) {
//   return path.join(__dirname, dir)
// }

// 设置浏览器标签栏的 title
// const name = defaultSettings.title || 'vue Admin Template' // page title

// 设置本地服务端口
const port = process.env.port || process.env.npm_config_port || 8081 // dev port

module.exports = {
  publicPath: './',
  // 输出文件目录
  outputDir: 'dist',
  // 输出静态文件二级目录
  assetsDir: 'static',
  lintOnSave: process.env.NODE_ENV === 'development',
  productionSourceMap: false,
  // 本地开发服务器配置
  devServer: {
    // 端口号
    port: port,
    // 项目启动后，自动打开浏览器
    open: true,
    // overlay：当出现编译器错误或警告时，在浏览器中显示全屏覆盖
    overlay: {
      // 如果要显示警告和错误
      warnings: false,
      errors: true
    },
    // 配置代理服务器
    proxy: {
      // /api是匹配机制
      // target 代理转发的目标地址
      // changeOrigin 是否开启跨域
      '/api': {
        target: 'http://likede2-admin.itheima.net/likede',
        changeOrigin: true
      }
    }
  }
}
// configureWebpack: {
//   name: name,
//   resolve: {
//     alias: {
//       '@': resolve('src')
//     }
//   }
// },
//   chainWebpack(config) {
//     // it can improve the speed of the first screen, it is recommended to turn on preload
//     config.plugin('preload').tap(() => [
//       {
//         rel: 'preload',
//         // to ignore runtime.js
//         // https://github.com/vuejs/vue-cli/blob/dev/packages/@vue/cli-service/lib/config/app.js#L171
//         fileBlacklist: [/\.map$/, /hot-update\.js$/, /runtime\..*\.js$/],
//         include: 'initial'
//       }
//     ])
//     // 配置cdn

//     // when there are many pages, it will cause too many meaningless requests
//     config.plugins.delete('prefetch')

//     // set svg-sprite-loader
//     config.module
//       .rule('svg')
//       .exclude.add(resolve('src/icons'))
//       .end()
//     config.module
//       .rule('icons')
//       .test(/\.svg$/)
//       .include.add(resolve('src/icons'))
//       .end()
//       .use('svg-sprite-loader')
//       .loader('svg-sprite-loader')
//       .options({
//         symbolId: 'icon-[name]'
//       })
//       .end()

//     config
//       .when(process.env.NODE_ENV !== 'development',
//         config => {
//           config
//             .plugin('ScriptExtHtmlWebpackPlugin')
//             .after('html')
//             .use('script-ext-html-webpack-plugin', [{
//             // `runtime` must same as runtimeChunk name. default is `runtime`
//               inline: /runtime\..*\.js$/
//             }])
//             .end()
//           config
//             .optimization.splitChunks({
//               chunks: 'all',
//               cacheGroups: {
//                 libs: {
//                   name: 'chunk-libs',
//                   test: /[\\/]node_modules[\\/]/,
//                   priority: 10,
//                   chunks: 'initial' // only package third parties that are initially dependent
//                 },
//                 elementUI: {
//                   name: 'chunk-elementUI', // split elementUI into a single package
//                   priority: 20, // the weight needs to be larger than libs and app or it will be packaged into libs or app
//                   test: /[\\/]node_modules[\\/]_?element-ui(.*)/ // in order to adapt to cnpm
//                 },
//                 commons: {
//                   name: 'chunk-commons',
//                   test: resolve('src/components'), // can customize your rules
//                   minChunks: 3, //  minimum common number
//                   priority: 5,
//                   reuseExistingChunk: true
//                 }
//               }
//             })
//           // https:// webpack.js.org/configuration/optimization/#optimizationruntimechunk
//           config.optimization.runtimeChunk('single')
//         }
//       )
//   }
// }
